@misc{indiciae717326f63021,
  title = {Analog diffractive optics on flat and non-flat substrates: electron-beam fabrication and applications},
  author = {Wilson, D. and Maker, P. and Muller, R.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20060028896},
  note = {Source identifier: 20060028896}
}